1package eu.siacs.conversations.entities;
2
3import android.support.annotation.NonNull;
4import android.support.annotation.Nullable;
5import android.text.TextUtils;
6
7import java.util.ArrayList;
8import java.util.Collections;
9import java.util.HashSet;
10import java.util.List;
11import java.util.Locale;
12import java.util.Set;
13
14import eu.siacs.conversations.Config;
15import eu.siacs.conversations.R;
16import eu.siacs.conversations.services.MessageArchiveService;
17import eu.siacs.conversations.utils.JidHelper;
18import eu.siacs.conversations.utils.UIHelper;
19import eu.siacs.conversations.xmpp.chatstate.ChatState;
20import eu.siacs.conversations.xmpp.forms.Data;
21import eu.siacs.conversations.xmpp.forms.Field;
22import eu.siacs.conversations.xmpp.pep.Avatar;
23import rocks.xmpp.addr.Jid;
24
25public class MucOptions {
26
27 public static final String STATUS_CODE_SELF_PRESENCE = "110";
28 public static final String STATUS_CODE_ROOM_CREATED = "201";
29 public static final String STATUS_CODE_BANNED = "301";
30 public static final String STATUS_CODE_CHANGED_NICK = "303";
31 public static final String STATUS_CODE_KICKED = "307";
32 public static final String STATUS_CODE_AFFILIATION_CHANGE = "321";
33 public static final String STATUS_CODE_LOST_MEMBERSHIP = "322";
34 public static final String STATUS_CODE_SHUTDOWN = "332";
35 private final Set<User> users = new HashSet<>();
36 private final Conversation conversation;
37 public OnRenameListener onRenameListener = null;
38 private boolean mAutoPushConfiguration = true;
39 private Account account;
40 private ServiceDiscoveryResult serviceDiscoveryResult;
41 private boolean isOnline = false;
42 private Error error = Error.NONE;
43 private User self;
44 private String password = null;
45
46 private boolean tookProposedNickFromBookmark = false;
47
48 public MucOptions(Conversation conversation) {
49 this.account = conversation.getAccount();
50 this.conversation = conversation;
51 this.self = new User(this, createJoinJid(getProposedNick()));
52 this.self.affiliation = Affiliation.of(conversation.getAttribute("affiliation"));
53 this.self.role = Role.of(conversation.getAttribute("role"));
54 }
55
56 public Account getAccount() {
57 return this.conversation.getAccount();
58 }
59
60 public boolean setSelf(User user) {
61 this.self = user;
62 final boolean roleChanged = this.conversation.setAttribute("role", user.role.toString());
63 final boolean affiliationChanged = this.conversation.setAttribute("affiliation", user.affiliation.toString());
64 return roleChanged || affiliationChanged;
65 }
66
67 public void changeAffiliation(Jid jid, Affiliation affiliation) {
68 User user = findUserByRealJid(jid);
69 synchronized (users) {
70 if (user != null && user.getRole() == Role.NONE) {
71 users.remove(user);
72 if (affiliation.ranks(Affiliation.MEMBER)) {
73 user.affiliation = affiliation;
74 users.add(user);
75 }
76 }
77 }
78 }
79
80 public void flagNoAutoPushConfiguration() {
81 mAutoPushConfiguration = false;
82 }
83
84 public boolean autoPushConfiguration() {
85 return mAutoPushConfiguration;
86 }
87
88 public boolean isSelf(Jid counterpart) {
89 return counterpart.equals(self.getFullJid());
90 }
91
92 public void resetChatState() {
93 synchronized (users) {
94 for (User user : users) {
95 user.chatState = Config.DEFAULT_CHATSTATE;
96 }
97 }
98 }
99
100 public boolean isTookProposedNickFromBookmark() {
101 return tookProposedNickFromBookmark;
102 }
103
104 void notifyOfBookmarkNick(String nick) {
105 if (nick != null && nick.trim().equals(getSelf().getFullJid().getResource())) {
106 this.tookProposedNickFromBookmark = true;
107 }
108 }
109
110 public boolean mamSupport() {
111 return MessageArchiveService.Version.has(getFeatures());
112 }
113
114 public boolean updateConfiguration(ServiceDiscoveryResult serviceDiscoveryResult) {
115 this.serviceDiscoveryResult = serviceDiscoveryResult;
116 String name;
117 Field roomConfigName = getRoomInfoForm().getFieldByName("muc#roomconfig_roomname");
118 if (roomConfigName != null) {
119 name = roomConfigName.getValue();
120 } else {
121 List<ServiceDiscoveryResult.Identity> identities = serviceDiscoveryResult.getIdentities();
122 String identityName = identities.size() > 0 ? identities.get(0).getName() : null;
123 final Jid jid = conversation.getJid();
124 if (identityName != null && !identityName.equals(jid == null ? null : jid.getEscapedLocal())) {
125 name = identityName;
126 } else {
127 name = null;
128 }
129 }
130 boolean changed = conversation.setAttribute("muc_name", name);
131 changed |= conversation.setAttribute(Conversation.ATTRIBUTE_MEMBERS_ONLY, this.hasFeature("muc_membersonly"));
132 changed |= conversation.setAttribute(Conversation.ATTRIBUTE_MODERATED, this.hasFeature("muc_moderated"));
133 changed |= conversation.setAttribute(Conversation.ATTRIBUTE_NON_ANONYMOUS, this.hasFeature("muc_nonanonymous"));
134 return changed;
135 }
136
137 private Data getRoomInfoForm() {
138 final List<Data> forms = serviceDiscoveryResult == null ? Collections.emptyList() : serviceDiscoveryResult.forms;
139 return forms.size() == 0 ? new Data() : forms.get(0);
140 }
141
142 public String getAvatar() {
143 return account.getRoster().getContact(conversation.getJid()).getAvatarFilename();
144 }
145
146 public boolean hasFeature(String feature) {
147 return this.serviceDiscoveryResult != null && this.serviceDiscoveryResult.features.contains(feature);
148 }
149
150 public boolean hasVCards() {
151 return hasFeature("vcard-temp");
152 }
153
154 public boolean canInvite() {
155 Field field = getRoomInfoForm().getFieldByName("muc#roomconfig_allowinvites");
156 return !membersOnly() || self.getRole().ranks(Role.MODERATOR) || (field != null && "1".equals(field.getValue()));
157 }
158
159 public boolean canChangeSubject() {
160 Field field = getRoomInfoForm().getFieldByName("muc#roominfo_changesubject");
161 return self.getRole().ranks(Role.MODERATOR) || (field != null && "1".equals(field.getValue()));
162 }
163
164 public boolean allowPm() {
165 final Field field = getRoomInfoForm().getFieldByName("muc#roomconfig_allowpm");
166 if (field == null) {
167 return true; //fall back if field does not exists
168 }
169 if ("anyone".equals(field.getValue())) {
170 return true;
171 } else if ("participants".equals(field.getValue())) {
172 return self.getRole().ranks(Role.PARTICIPANT);
173 } else if ("moderators".equals(field.getValue())) {
174 return self.getRole().ranks(Role.MODERATOR);
175 } else {
176 return false;
177 }
178 }
179
180 public boolean participating() {
181 return self.getRole().ranks(Role.PARTICIPANT) || !moderated();
182 }
183
184 public boolean membersOnly() {
185 return conversation.getBooleanAttribute(Conversation.ATTRIBUTE_MEMBERS_ONLY, false);
186 }
187
188 public List<String> getFeatures() {
189 return this.serviceDiscoveryResult != null ? this.serviceDiscoveryResult.features : Collections.emptyList();
190 }
191
192 public boolean nonanonymous() {
193 return conversation.getBooleanAttribute(Conversation.ATTRIBUTE_NON_ANONYMOUS, false);
194 }
195
196 public boolean isPrivateAndNonAnonymous() {
197 return membersOnly() && nonanonymous();
198 }
199
200 public boolean moderated() {
201 return conversation.getBooleanAttribute(Conversation.ATTRIBUTE_MODERATED, false);
202 }
203
204 public User deleteUser(Jid jid) {
205 User user = findUserByFullJid(jid);
206 if (user != null) {
207 synchronized (users) {
208 users.remove(user);
209 boolean realJidInMuc = false;
210 for (User u : users) {
211 if (user.realJid != null && user.realJid.equals(u.realJid)) {
212 realJidInMuc = true;
213 break;
214 }
215 }
216 boolean self = user.realJid != null && user.realJid.equals(account.getJid().asBareJid());
217 if (membersOnly()
218 && nonanonymous()
219 && user.affiliation.ranks(Affiliation.MEMBER)
220 && user.realJid != null
221 && !realJidInMuc
222 && !self) {
223 user.role = Role.NONE;
224 user.avatar = null;
225 user.fullJid = null;
226 users.add(user);
227 }
228 }
229 }
230 return user;
231 }
232
233 //returns true if real jid was new;
234 public boolean updateUser(User user) {
235 User old;
236 boolean realJidFound = false;
237 if (user.fullJid == null && user.realJid != null) {
238 old = findUserByRealJid(user.realJid);
239 realJidFound = old != null;
240 if (old != null) {
241 if (old.fullJid != null) {
242 return false; //don't add. user already exists
243 } else {
244 synchronized (users) {
245 users.remove(old);
246 }
247 }
248 }
249 } else if (user.realJid != null) {
250 old = findUserByRealJid(user.realJid);
251 realJidFound = old != null;
252 synchronized (users) {
253 if (old != null && (old.fullJid == null || old.role == Role.NONE)) {
254 users.remove(old);
255 }
256 }
257 }
258 old = findUserByFullJid(user.getFullJid());
259
260 synchronized (this.users) {
261 if (old != null) {
262 users.remove(old);
263 }
264 boolean fullJidIsSelf = isOnline && user.getFullJid() != null && user.getFullJid().equals(self.getFullJid());
265 if ((!membersOnly() || user.getAffiliation().ranks(Affiliation.MEMBER))
266 && user.getAffiliation().outranks(Affiliation.OUTCAST)
267 && !fullJidIsSelf) {
268 this.users.add(user);
269 return !realJidFound && user.realJid != null;
270 }
271 }
272 return false;
273 }
274
275 public User findUserByFullJid(Jid jid) {
276 if (jid == null) {
277 return null;
278 }
279 synchronized (users) {
280 for (User user : users) {
281 if (jid.equals(user.getFullJid())) {
282 return user;
283 }
284 }
285 }
286 return null;
287 }
288
289 public User findUserByRealJid(Jid jid) {
290 if (jid == null) {
291 return null;
292 }
293 synchronized (users) {
294 for (User user : users) {
295 if (jid.equals(user.realJid)) {
296 return user;
297 }
298 }
299 }
300 return null;
301 }
302
303 public User findOrCreateUserByRealJid(Jid jid, Jid fullJid) {
304 User user = findUserByRealJid(jid);
305 if (user == null) {
306 user = new User(this, fullJid);
307 user.setRealJid(jid);
308 }
309 return user;
310 }
311
312 public User findUser(ReadByMarker readByMarker) {
313 if (readByMarker.getRealJid() != null) {
314 return findOrCreateUserByRealJid(readByMarker.getRealJid().asBareJid(), readByMarker.getFullJid());
315 } else if (readByMarker.getFullJid() != null) {
316 return findUserByFullJid(readByMarker.getFullJid());
317 } else {
318 return null;
319 }
320 }
321
322 public boolean isContactInRoom(Contact contact) {
323 return findUserByRealJid(contact.getJid().asBareJid()) != null;
324 }
325
326 public boolean isUserInRoom(Jid jid) {
327 return findUserByFullJid(jid) != null;
328 }
329
330 public boolean setOnline() {
331 boolean before = this.isOnline;
332 this.isOnline = true;
333 return !before;
334 }
335
336 public ArrayList<User> getUsers() {
337 return getUsers(true);
338 }
339
340 public ArrayList<User> getUsers(boolean includeOffline) {
341 synchronized (users) {
342 ArrayList<User> users = new ArrayList<>();
343 for (User user : this.users) {
344 if (!user.isDomain() && (includeOffline || user.getRole().ranks(Role.PARTICIPANT))) {
345 users.add(user);
346 }
347 }
348 return users;
349 }
350 }
351
352 public ArrayList<User> getUsersWithChatState(ChatState state, int max) {
353 synchronized (users) {
354 ArrayList<User> list = new ArrayList<>();
355 for (User user : users) {
356 if (user.chatState == state) {
357 list.add(user);
358 if (list.size() >= max) {
359 break;
360 }
361 }
362 }
363 return list;
364 }
365 }
366
367 public List<User> getUsers(int max) {
368 ArrayList<User> subset = new ArrayList<>();
369 HashSet<Jid> jids = new HashSet<>();
370 jids.add(account.getJid().asBareJid());
371 synchronized (users) {
372 for (User user : users) {
373 if (user.getRealJid() == null || (user.getRealJid().getLocal() != null && jids.add(user.getRealJid()))) {
374 subset.add(user);
375 }
376 if (subset.size() >= max) {
377 break;
378 }
379 }
380 }
381 return subset;
382 }
383
384 public int getUserCount() {
385 synchronized (users) {
386 return users.size();
387 }
388 }
389
390 private String getProposedNick() {
391 final Bookmark bookmark = this.conversation.getBookmark();
392 final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
393 if (bookmarkedNick != null && !bookmarkedNick.trim().isEmpty()) {
394 this.tookProposedNickFromBookmark = true;
395 return bookmarkedNick.trim();
396 } else if (!conversation.getJid().isBareJid()) {
397 return conversation.getJid().getResource();
398 } else {
399 final String displayName = account.getDisplayName();
400 if (TextUtils.isEmpty(displayName)) {
401 return JidHelper.localPartOrFallback(account.getJid());
402 } else {
403 return displayName;
404 }
405 }
406 }
407
408 public String getActualNick() {
409 if (this.self.getName() != null) {
410 return this.self.getName();
411 } else {
412 return this.getProposedNick();
413 }
414 }
415
416 public boolean online() {
417 return this.isOnline;
418 }
419
420 public Error getError() {
421 return this.error;
422 }
423
424 public void setError(Error error) {
425 this.isOnline = isOnline && error == Error.NONE;
426 this.error = error;
427 }
428
429 public void setOnRenameListener(OnRenameListener listener) {
430 this.onRenameListener = listener;
431 }
432
433 public void setOffline() {
434 synchronized (users) {
435 this.users.clear();
436 }
437 this.error = Error.NO_RESPONSE;
438 this.isOnline = false;
439 }
440
441 public User getSelf() {
442 return self;
443 }
444
445 public boolean setSubject(String subject) {
446 return this.conversation.setAttribute("subject", subject);
447 }
448
449 public String getSubject() {
450 return this.conversation.getAttribute("subject");
451 }
452
453 public String getName() {
454 return this.conversation.getAttribute("muc_name");
455 }
456
457 private List<User> getFallbackUsersFromCryptoTargets() {
458 List<User> users = new ArrayList<>();
459 for (Jid jid : conversation.getAcceptedCryptoTargets()) {
460 User user = new User(this, null);
461 user.setRealJid(jid);
462 users.add(user);
463 }
464 return users;
465 }
466
467 public List<User> getUsersRelevantForNameAndAvatar() {
468 final List<User> users;
469 if (isOnline) {
470 users = getUsers(5);
471 } else {
472 users = getFallbackUsersFromCryptoTargets();
473 }
474 return users;
475 }
476
477 public String createNameFromParticipants() {
478 List<User> users = getUsersRelevantForNameAndAvatar();
479 if (users.size() >= 2) {
480 StringBuilder builder = new StringBuilder();
481 for (User user : users) {
482 if (builder.length() != 0) {
483 builder.append(", ");
484 }
485 String name = UIHelper.getDisplayName(user);
486 if (name != null) {
487 builder.append(name.split("\\s+")[0]);
488 }
489 }
490 return builder.toString();
491 } else {
492 return null;
493 }
494 }
495
496 public long[] getPgpKeyIds() {
497 List<Long> ids = new ArrayList<>();
498 for (User user : this.users) {
499 if (user.getPgpKeyId() != 0) {
500 ids.add(user.getPgpKeyId());
501 }
502 }
503 ids.add(account.getPgpId());
504 long[] primitiveLongArray = new long[ids.size()];
505 for (int i = 0; i < ids.size(); ++i) {
506 primitiveLongArray[i] = ids.get(i);
507 }
508 return primitiveLongArray;
509 }
510
511 public boolean pgpKeysInUse() {
512 synchronized (users) {
513 for (User user : users) {
514 if (user.getPgpKeyId() != 0) {
515 return true;
516 }
517 }
518 }
519 return false;
520 }
521
522 public boolean everybodyHasKeys() {
523 synchronized (users) {
524 for (User user : users) {
525 if (user.getPgpKeyId() == 0) {
526 return false;
527 }
528 }
529 }
530 return true;
531 }
532
533 public Jid createJoinJid(String nick) {
534 try {
535 return Jid.of(this.conversation.getJid().asBareJid().toString() + "/" + nick);
536 } catch (final IllegalArgumentException e) {
537 return null;
538 }
539 }
540
541 public Jid getTrueCounterpart(Jid jid) {
542 if (jid.equals(getSelf().getFullJid())) {
543 return account.getJid().asBareJid();
544 }
545 User user = findUserByFullJid(jid);
546 return user == null ? null : user.realJid;
547 }
548
549 public String getPassword() {
550 this.password = conversation.getAttribute(Conversation.ATTRIBUTE_MUC_PASSWORD);
551 if (this.password == null && conversation.getBookmark() != null
552 && conversation.getBookmark().getPassword() != null) {
553 return conversation.getBookmark().getPassword();
554 } else {
555 return this.password;
556 }
557 }
558
559 public void setPassword(String password) {
560 if (conversation.getBookmark() != null) {
561 conversation.getBookmark().setPassword(password);
562 } else {
563 this.password = password;
564 }
565 conversation.setAttribute(Conversation.ATTRIBUTE_MUC_PASSWORD, password);
566 }
567
568 public Conversation getConversation() {
569 return this.conversation;
570 }
571
572 public List<Jid> getMembers(final boolean includeDomains) {
573 ArrayList<Jid> members = new ArrayList<>();
574 synchronized (users) {
575 for (User user : users) {
576 if (user.affiliation.ranks(Affiliation.MEMBER) && user.realJid != null && !user.realJid.asBareJid().equals(conversation.account.getJid().asBareJid()) && (!user.isDomain() || includeDomains)) {
577 members.add(user.realJid);
578 }
579 }
580 }
581 return members;
582 }
583
584 public enum Affiliation {
585 OWNER(4, R.string.owner),
586 ADMIN(3, R.string.admin),
587 MEMBER(2, R.string.member),
588 OUTCAST(0, R.string.outcast),
589 NONE(1, R.string.no_affiliation);
590
591 private int resId;
592 private int rank;
593 Affiliation(int rank, int resId) {
594 this.resId = resId;
595 this.rank = rank;
596 }
597
598 public static Affiliation of(@Nullable String value) {
599 if (value == null) {
600 return NONE;
601 }
602 try {
603 return Affiliation.valueOf(value.toUpperCase(Locale.US));
604 } catch (IllegalArgumentException e) {
605 return NONE;
606 }
607 }
608
609 public int getResId() {
610 return resId;
611 }
612
613 @Override
614 public String toString() {
615 return name().toLowerCase(Locale.US);
616 }
617
618 public boolean outranks(Affiliation affiliation) {
619 return rank > affiliation.rank;
620 }
621
622 public boolean ranks(Affiliation affiliation) {
623 return rank >= affiliation.rank;
624 }
625 }
626
627 public enum Role {
628 MODERATOR(R.string.moderator, 3),
629 VISITOR(R.string.visitor, 1),
630 PARTICIPANT(R.string.participant, 2),
631 NONE(R.string.no_role, 0);
632
633 private int resId;
634 private int rank;
635 Role(int resId, int rank) {
636 this.resId = resId;
637 this.rank = rank;
638 }
639
640 public static Role of(@Nullable String value) {
641 if (value == null) {
642 return NONE;
643 }
644 try {
645 return Role.valueOf(value.toUpperCase(Locale.US));
646 } catch (IllegalArgumentException e) {
647 return NONE;
648 }
649 }
650
651 public int getResId() {
652 return resId;
653 }
654
655 @Override
656 public String toString() {
657 return name().toLowerCase(Locale.US);
658 }
659
660 public boolean ranks(Role role) {
661 return rank >= role.rank;
662 }
663 }
664
665 public enum Error {
666 NO_RESPONSE,
667 SERVER_NOT_FOUND,
668 REMOTE_SERVER_TIMEOUT,
669 NONE,
670 NICK_IN_USE,
671 PASSWORD_REQUIRED,
672 BANNED,
673 MEMBERS_ONLY,
674 RESOURCE_CONSTRAINT,
675 KICKED,
676 SHUTDOWN,
677 DESTROYED,
678 INVALID_NICK,
679 UNKNOWN
680 }
681
682 private interface OnEventListener {
683 void onSuccess();
684
685 void onFailure();
686 }
687
688 public interface OnRenameListener extends OnEventListener {
689
690 }
691
692 public static class User implements Comparable<User> {
693 private Role role = Role.NONE;
694 private Affiliation affiliation = Affiliation.NONE;
695 private Jid realJid;
696 private Jid fullJid;
697 private long pgpKeyId = 0;
698 private Avatar avatar;
699 private MucOptions options;
700 private ChatState chatState = Config.DEFAULT_CHATSTATE;
701
702 public User(MucOptions options, Jid fullJid) {
703 this.options = options;
704 this.fullJid = fullJid;
705 }
706
707 public String getName() {
708 return fullJid == null ? null : fullJid.getResource();
709 }
710
711 public Role getRole() {
712 return this.role;
713 }
714
715 public void setRole(String role) {
716 this.role = Role.of(role);
717 }
718
719 public Affiliation getAffiliation() {
720 return this.affiliation;
721 }
722
723 public void setAffiliation(String affiliation) {
724 this.affiliation = Affiliation.of(affiliation);
725 }
726
727 public long getPgpKeyId() {
728 if (this.pgpKeyId != 0) {
729 return this.pgpKeyId;
730 } else if (realJid != null) {
731 return getAccount().getRoster().getContact(realJid).getPgpKeyId();
732 } else {
733 return 0;
734 }
735 }
736
737 public void setPgpKeyId(long id) {
738 this.pgpKeyId = id;
739 }
740
741 public Contact getContact() {
742 if (fullJid != null) {
743 return getAccount().getRoster().getContactFromContactList(realJid);
744 } else if (realJid != null) {
745 return getAccount().getRoster().getContact(realJid);
746 } else {
747 return null;
748 }
749 }
750
751 public boolean setAvatar(Avatar avatar) {
752 if (this.avatar != null && this.avatar.equals(avatar)) {
753 return false;
754 } else {
755 this.avatar = avatar;
756 return true;
757 }
758 }
759
760 public String getAvatar() {
761 if (avatar != null) {
762 return avatar.getFilename();
763 }
764 Avatar avatar = realJid != null ? getAccount().getRoster().getContact(realJid).getAvatar() : null;
765 return avatar == null ? null : avatar.getFilename();
766 }
767
768 public Account getAccount() {
769 return options.getAccount();
770 }
771
772 public Conversation getConversation() {
773 return options.getConversation();
774 }
775
776 public Jid getFullJid() {
777 return fullJid;
778 }
779
780 @Override
781 public boolean equals(Object o) {
782 if (this == o) return true;
783 if (o == null || getClass() != o.getClass()) return false;
784
785 User user = (User) o;
786
787 if (role != user.role) return false;
788 if (affiliation != user.affiliation) return false;
789 if (realJid != null ? !realJid.equals(user.realJid) : user.realJid != null)
790 return false;
791 return fullJid != null ? fullJid.equals(user.fullJid) : user.fullJid == null;
792
793 }
794
795 public boolean isDomain() {
796 return realJid != null && realJid.getLocal() == null && role == Role.NONE;
797 }
798
799 @Override
800 public int hashCode() {
801 int result = role != null ? role.hashCode() : 0;
802 result = 31 * result + (affiliation != null ? affiliation.hashCode() : 0);
803 result = 31 * result + (realJid != null ? realJid.hashCode() : 0);
804 result = 31 * result + (fullJid != null ? fullJid.hashCode() : 0);
805 return result;
806 }
807
808 @Override
809 public String toString() {
810 return "[fulljid:" + String.valueOf(fullJid) + ",realjid:" + String.valueOf(realJid) + ",affiliation" + affiliation.toString() + "]";
811 }
812
813 public boolean realJidMatchesAccount() {
814 return realJid != null && realJid.equals(options.account.getJid().asBareJid());
815 }
816
817 @Override
818 public int compareTo(@NonNull User another) {
819 if (another.getAffiliation().outranks(getAffiliation())) {
820 return 1;
821 } else if (getAffiliation().outranks(another.getAffiliation())) {
822 return -1;
823 } else {
824 return getComparableName().compareToIgnoreCase(another.getComparableName());
825 }
826 }
827
828 private String getComparableName() {
829 Contact contact = getContact();
830 if (contact != null) {
831 return contact.getDisplayName();
832 } else {
833 String name = getName();
834 return name == null ? "" : name;
835 }
836 }
837
838 public Jid getRealJid() {
839 return realJid;
840 }
841
842 public void setRealJid(Jid jid) {
843 this.realJid = jid != null ? jid.asBareJid() : null;
844 }
845
846 public boolean setChatState(ChatState chatState) {
847 if (this.chatState == chatState) {
848 return false;
849 }
850 this.chatState = chatState;
851 return true;
852 }
853 }
854}